FOR IMMEDIATE RELEASE

Chicago, Illinois, USA - Chicon 7, the 70th World Science Fiction Convention ("Worldcon"), is delighted to announce former NASA Flight Controller Sy Liebergot as a Special Guest. Sy Liebergot's presence alongside Guest of Honor Story Musgrave adds further depth to Chicon 7's tribute to the achievements of manned spaceflight.

Sy Liebergot was the Lead EECOM Flight Controller in Mission Control for all of the Apollo manned missions and Skylab program missions. On the international scene, Sy was the Lead EECOM for the American-Russian Apollo-Soyuz Test Project mission. Sy was at the focal point of the Apollo 13 crisis in Mission Control when the spacecraft's oxygen tank exploded. As part of the Apollo 13 Operations Team, Sy was awarded the Presidential Medal of Freedom. He also received the NASA Commendation Award for his leadership role in the Apollo-Soyuz Test Project international space mission.

ENDS

Chicon 7 is the 2012 World Science Fiction Convention ("Worldcon"). The first Worldcon occurred in New York City in 1939 and Worldcons have been held annually since then except for 1942-45 when there was no event due to World War II. Chicon 7's Guests of Honor are five-time Hugo winning author Mike Resnick, artist Rowena Morrill, art agent and collector Jane Frank, science fiction fan and former Worldcon chair Peggy Rae Sapienza, and astronaut Story Musgrave. Chicon 7's Toastmaster is John Scalzi.

For more details about the convention or to purchase memberships, visit www.chicon.org. Send press questions, or requests to be removed from the Chicon 7 press release mailing list, to